Fluorine-19 NMR of integral membrane proteins illustrated with studies of GPCRs.

Fluorine-19 NMR of integral membrane proteins illustrated with studies of GPCRs.
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DOI:
10.1016/j.sbi.2013.07.011
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发表时间:
2013-10
影响因子:
6.8
通讯作者:
Wüthrich K
Wüthrich K
中科院分区:
生物学2区
文献类型:
--
作者:
Didenko T;Liu JJ;Horst R;Stevens RC;Wüthrich K

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氟-19是具有高灵敏度和大化学位移分散的自旋-1/2 NMR同位素,这使得其对于溶液中的高分辨率NMR光谱学具有吸引力。对于膜蛋白的研究,更令人感兴趣的是,19 F很少在生物材料中发现,这使得能够在来自背景信号的干扰最小的情况下观察外源性19 F标记。今天,在结构生物学中使用19 F-NMR相当有限的一段时间后,我们见证了对复杂超分子系统研究的这种技术的新兴趣。在这里,我们报告最近的19 F-NMR研究与G-蛋白偶联受体家族的膜蛋白。
Fluorine-19 is a spin-½ NMR isotope with high sensitivity and large chemical shift dispersion, which makes it attractive for high resolution NMR spectroscopy in solution. For studies of membrane proteins it is further of interest that 19F is rarely found in biological materials, which enables observation of extrinsic 19F labels with minimal interference from background signals. Today, after a period with rather limited use of 19F-NMR in structural biology, we witness renewed interest in this technology for studies of complex supramolecular systems. Here we report on recent 19F-NMR studies with the G-protein-coupled receptor family of membrane proteins.
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